CN110846920A - Pulping process for paper pulp molded product - Google Patents
Pulping process for paper pulp molded product Download PDFInfo
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- CN110846920A CN110846920A CN201911160018.7A CN201911160018A CN110846920A CN 110846920 A CN110846920 A CN 110846920A CN 201911160018 A CN201911160018 A CN 201911160018A CN 110846920 A CN110846920 A CN 110846920A
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- pulp
- crushing
- waste paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
- D21B1/347—Rotor assemblies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention relates to a pulping process of a paper pulp molding product, which comprises a support frame, a fixed barrel and a crushing and grinding device, wherein the fixed barrel is arranged in the middle of the upper end of the support frame, the fixed barrel is of a cylindrical hollow structure, a discharge hole is arranged at the lower end of the fixed barrel, and the crushing and grinding device is arranged in the fixed barrel. The invention can solve the problems that the prior equipment usually adopts a mechanical crushing mode in the process of pulping the waste paper, so that the crushing effect of the waste paper is poor, the crushing is not uniform, the night hole is easy to block by incompletely crushed paper scraps, the preparation efficiency of paper pulp is influenced, and the prior equipment usually accumulates on the inner side wall of a fixed cylinder and can not turn over the paper scraps when stirring and pulping the waste paper, so that the crushed waste paper still has more scraps, the pulping effect of the waste paper is influenced, and the like.
Description
Technical Field
The invention relates to the field of preparation of molded products, in particular to a pulping process of a paper pulp molded product.
Background
The pulp molding uses waste paper as raw material, adds partial moisture-proof agent (aluminium sulfate) or water-proofing agent, then according to different purposes makes into model products with various shapes, which can be used as packing pad of egg, fruit, precision device, breakable glass, ceramic product and handicraft, and possesses good buffer protection property.
At present, the existing pulp molding product generally has the following defects in the pulping process: 1. in the process of pulping waste paper, the conventional equipment usually adopts a mechanical crushing mode, so that the waste paper is poor in crushing effect and uneven in crushing, and incomplete paper scraps are easy to block a night hole, so that the paper pulp preparation efficiency is influenced; 2. existing equipment is when stirring the pulping to waste paper, and waste paper piles up on fixed section of thick bamboo inside wall usually, can not overturn the wastepaper, leads to the waste paper after the breakage still to have more piece, influences the pulping effect of waste paper.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the prior equipment usually adopts a mechanical crushing mode in the process of pulping the waste paper, so that the crushing effect of the waste paper is poor, the crushing is not uniform, the night hole is easy to block by incompletely crushed paper scraps, the preparation efficiency of paper pulp is influenced, and the prior equipment usually accumulates on the inner side wall of a fixed cylinder and can not turn over the paper scraps when stirring and pulping the waste paper, so that the crushed waste paper still has more scraps, the pulping effect of the waste paper is influenced, and the like.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme that the pulping process of the pulp molding product comprises the following steps:
s1, waste paper cleaning: manually cleaning and removing wastes such as sand, thin films, plastics, metal impurities and the like mixed in the waste paper;
s2, waste paper slitting: cutting the waste paper cleaned in the step S1 in a cutting mode, wherein the length of the cut waste paper is 5-10 cm;
s3, crushing and grinding: throwing the cut waste paper in the step S2 into a crushing and grinding device, and grinding the waste paper into pulp by the crushing and grinding device;
s4, slurry filtration: the filter screen filters the pulp ground in the step S3 to remove the waste paper which is not ground completely in the pulp;
s5, concentrating the slurry: pouring the filtered pulp in the step S4 into a fiber grid in a seepage mode, and concentrating the pulp into pulp liquid with corresponding concentration by the fiber grid;
s6, collecting pulp liquid: the pulp slurry in step S5 is filled into a bucket for collection.
The working procedures of the pulping process of the pulp molding product in the steps S1-S6 need to be matched by a supporting frame, a fixed barrel and a crushing and grinding device to complete corresponding processing operations.
The support frame upper end mid-mounting have a fixed bucket, fixed bucket is cylindrical hollow structure, the discharge gate is installed to fixed bucket lower extreme, fixed bucket internally mounted has broken grinder.
The crushing and grinding device comprises a fixed plate, a rotating cylinder, a sliding mechanism, a grinding mechanism, a crushing mechanism and a liquid inlet mechanism, wherein the fixed plate is fixedly arranged in the fixed cylinder, a discharge port is uniformly formed in the fixed plate, the upper end of the fixed plate is connected with the rotating cylinder in a sliding fit manner, the outer side of the upper end of the rotating cylinder is connected with the fixed cylinder in a sliding fit manner, the sliding mechanism is arranged in the rotating cylinder, the grinding mechanism is arranged at the upper end of the sliding mechanism and positioned in the rotating cylinder, the upper end of the grinding mechanism is connected with the inner side wall of the fixed cylinder, the crushing mechanism is arranged in the grinding mechanism, the liquid inlet mechanism is arranged at the upper end of the crushing mechanism, during specific work, the crushed waste paper is manually filled into the grinding mechanism, the crushing mechanism can uniformly stir the waste paper, the liquid inlet mechanism is connected with an external high-pressure water pump, grind mechanism reciprocates under slide mechanism's effect, and then can overturn the accumulational wastepaper of grinding mechanism medial surface, guarantees the broken homogeneity of waste paper.
Grinding machanism include the fixed cylinder, spacing spring, gag lever post and grinding roller, the fixed cylinder lower extreme install in the slide mechanism upper end, the gag lever post is evenly installed in the fixed cylinder upper end outside, the gag lever post passes through sliding fit's mode and is connected with spacing, spacing is installed inside the fixed cylinder, spacing internally mounted has spacing spring, evenly be provided with the through-hole on the fixed cylinder, the grinding roller is evenly installed through the round pin axle in the fixed cylinder outside, concrete during operation, when crushing mechanism rotates, crushing mechanism passes through slide mechanism and drives the fixed cylinder motion, the fixed cylinder passes through the gag lever post at the inside up-and-down motion of spacing, and then can overturn the large granule wastepaper that piles up on the fixed cylinder inner wall, the grinding roller is hugged closely with the rotor, can further grind the wastepaper, guarantee the broken homogeneity of thick liquid.
Preferably, slide mechanism include a sliding groove frame, raised grain frame and carriage, the sliding groove frame install inside the rotating cylinder, sliding groove frame middle part is provided with concave groove, concave groove internally mounted has raised grain frame, raised grain frame is the loop configuration, sliding groove frame inside is connected with the carriage through sliding fit's mode, the grinding mechanism is installed to the carriage upper end, concrete during operation, when the sliding groove frame is followed and is rotated the section of thick bamboo and move together, the sliding groove frame drives raised grain frame and rotates, raised grain groove on the raised grain frame can drive the inside up-and-down motion of sliding frame at the sliding groove frame, the carriage and then can drive fixed section of thick bamboo up-and-down motion.
Preferably, crushing mechanism include broken motor, axis of rotation, branch, high pressure nozzle and broken sword, the fixed plate lower extreme install broken motor through the motor cabinet, install the axis of rotation on broken motor's the output shaft, the axis of rotation is located grinding mechanism inside, evenly install branch in the axis of rotation, high pressure nozzle is equipped with in the branch outside, evenly install broken sword on the branch, the axis of rotation upper end is connected with feed liquor mechanism, concrete during operation, broken motor drives broken sword high-speed the rotation through the axis of rotation, broken sword can carry out even breakage to waste paper, high pressure nozzle is connected with high pressure water pump through feed liquor mechanism, high pressure nozzle can be broken with the further waste paper of high pressure water, the through-hole on the solid fixed cylinder can be dredged to the high pressure water simultaneously, prevent that the wastepaper of large granule from blockking up the.
Preferably, feed liquor mechanism include link, feed liquor pipe and sealed the pad, fixed bucket upper end middle part be provided with the feed liquor pipe, the feed liquor pipe is connected with fixed bucket through the link, feed liquor pipe lower extreme is connected with broken mechanism, the sealed pad is installed with the junction of broken mechanism to the feed liquor pipe, specific during operation, the feed liquor pipe is connected with external high pressure water pump, high pressure water pump carries out the breakage to the wastepaper through high pressure water jet's mode, the leakproofness of connecting can be guaranteed to sealed the pad.
Preferably, the grinding roller outside set up the rubber sleeve, the rubber sleeve outside evenly is provided with broken tooth, the rubber sleeve can prevent the friction between grinding roller and the rotating cylinder, broken tooth can be further broken the wastepaper, do benefit to the follow-up use of thick liquid.
Preferably, the carriage be loop configuration, the carriage lower extreme evenly be provided with raised grain frame complex ball.
Preferably, the fixed cylinder outside evenly be provided with the scraper, the scraper is the arc structure, the scraper outside hugs closely with a rotating cylinder, the scraper can be further carry out the breakage to the wastepaper of large granule, guarantee that the spent paper pulp liquid can meet the requirements completely.
(III) advantageous effects
1. According to the pulp making process of the pulp molding product, the crushing mechanism can effectively and mechanically crush the waste paper, the crushing effect is good, the crushing mechanism can crush the waste paper for the second time in a high-pressure water jet mode, the waste paper can be completely crushed, and meanwhile, the high-pressure water jet can dredge the blocked through holes, so that the phenomenon that the processing efficiency of the pulp is influenced by the fact that the waste paper blocks the through holes is prevented.
2. According to the pulping process of the pulp molding product, the wave-shaped frame in the sliding mechanism can drive the fixed cylinder to move up and down when rotating, so that the function of turning over waste paper gathered on the inner side of the fixed cylinder can be realized, the crushing mechanism can effectively crush the waste paper, and the pulping effect of the waste paper is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a first cross-sectional configuration of the present invention;
FIG. 4 is a schematic illustration of a portion of the structure of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged schematic view of the invention at A in FIG. 3;
FIG. 6 is a schematic view of a second cross-sectional configuration of the present invention;
fig. 7 is a schematic structural view of the fixed barrel, the fixed plate, the chute frame and the corrugated frame of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a pulp making process of a pulp molded product comprises the following steps:
s1, waste paper cleaning: manually cleaning and removing wastes such as sand, thin films, plastics, metal impurities and the like mixed in the waste paper;
s2, waste paper slitting: cutting the waste paper cleaned in the step S1 in a cutting mode, wherein the length of the cut waste paper is 5-10 cm;
s3, crushing and grinding: throwing the cut waste paper in the step S2 into a crushing and grinding device 3, and grinding the waste paper into pulp by the crushing and grinding device 3;
s4, slurry filtration: the filter screen filters the pulp ground in the step S3 to remove the waste paper which is not ground completely in the pulp;
s5, concentrating the slurry: pouring the filtered pulp in the step S4 into a fiber grid in a seepage mode, and concentrating the pulp into pulp liquid with corresponding concentration by the fiber grid;
s6, collecting pulp liquid: the pulp slurry in step S5 is filled into a bucket for collection.
The working procedures of the pulping process of the pulp molding product in the steps S1-S6 need to be matched by the supporting frame 1, the fixed barrel 2 and the crushing and grinding device 3 to complete corresponding processing operations.
The crushing and grinding device 3 comprises a fixed plate 31, a rotating cylinder 32, a sliding mechanism 33, a grinding mechanism 34, a crushing mechanism 35 and a liquid inlet mechanism 36, wherein the fixed plate 31 is fixedly arranged inside the fixed barrel 2, a discharge hole is uniformly formed in the fixed plate 31, the upper end of the fixed plate 31 is connected with the rotating cylinder 32 in a sliding fit mode, the outer side of the upper end of the rotating cylinder 32 is connected with the fixed barrel 2 in a sliding fit mode, the sliding mechanism 33 is arranged inside the rotating cylinder 32, the grinding mechanism 34 is arranged at the upper end of the sliding mechanism 33 and is positioned inside the rotating cylinder 32, the upper end of the grinding mechanism 34 is connected with the inner side wall of the fixed barrel 2, the crushing mechanism 35 is arranged inside the grinding mechanism 34, the liquid inlet mechanism 36 is arranged at the upper end of the crushing mechanism 35, during specific work, the crushed waste paper is manually filled into the grinding mechanism 34, and the, the liquid inlet mechanism 36 is connected with an external high-pressure water pump, the high-pressure water pump further crushes the waste paper in a high-pressure water jet mode, the grinding mechanism 34 moves up and down under the action of the sliding mechanism 33, and then the paper scraps accumulated on the inner side surface of the grinding mechanism 34 can be overturned, so that the crushing uniformity of the waste paper is guaranteed.
The grinding mechanism 34 comprises a fixed cylinder 341, a limiting frame 342, a limiting spring 343, a limiting rod 344 and a grinding roller 345, the lower end of the fixed cylinder 341 is installed at the upper end of a sliding mechanism 33, the limiting rod 344 is evenly installed at the outer side of the upper end of the fixed cylinder 341, the limiting rod 344 is connected with the limiting frame 342 in a sliding fit manner, the limiting frame 342 is installed inside the fixed cylinder 2, the limiting spring 343 is installed inside the limiting frame 342, through holes are evenly formed in the fixed cylinder 341, grinding rollers 345 are evenly installed at the outer side of the fixed cylinder 341 through a pin shaft, friction lines are evenly arranged on the inner side wall of the fixed cylinder 341, when the grinding mechanism 35 is in specific work, the fixed cylinder 341 is driven to move through the sliding mechanism 33, the fixed cylinder 341 moves up and down inside the limiting frame 342 through the limiting rod 344, and then large-particle paper scraps accumulated on the inner wall of the fixed cylinder 341 can be, the paper scraps can be further ground, and the uniformity of slurry crushing is ensured.
The outer side of the fixed cylinder 341 is uniformly provided with the scraper 346, the scraper 346 is of an arc structure, the outer side of the scraper 346 is tightly attached to the rotating cylinder 32, and the scraper 346 can further crush large-particle paper scraps, so that the waste paper pulp can completely meet the use requirement.
The grinding roller 345 outside set up the rubber sleeve, the rubber sleeve outside evenly is provided with broken tooth, the rubber sleeve can prevent the friction between grinding roller 345 and the rotating cylinder 32, broken tooth can be further broken the wastepaper, do benefit to the follow-up use of thick liquid.
The crushing mechanism 35 comprises a crushing motor 351, a rotating shaft 352, a support rod 353, a high-pressure nozzle 354 and a crushing cutter 355, the crushing motor 351 is installed at the lower end of the fixing plate 31 through a motor base, the rotating shaft 352 is installed on an output shaft of the crushing motor 351, the rotating shaft 352 is located inside the grinding mechanism 34, the support rod 353 is evenly installed on the rotating shaft 352, the high-pressure nozzle 354 is installed outside the support rod 353, the crushing cutter 355 is evenly installed on the support rod 353, the upper end of the rotating shaft 352 is connected with a liquid inlet mechanism 36, when the crushing mechanism works specifically, the crushing motor 351 drives the crushing cutter 355 to rotate at a high speed through the rotating shaft 352, the crushing cutter 355 can crush the waste paper evenly, the high-pressure nozzle 354 is connected with the high-pressure water pump through the liquid inlet mechanism 36, the high-pressure nozzle 354 can crush the waste paper further with high, the efficiency of scrap processing is guaranteed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pulping process of a paper pulp molding product is characterized in that: the pulping process of the pulp molding product comprises the following steps:
s1, waste paper cleaning: manually cleaning and removing wastes such as sand, thin films, plastics, metal impurities and the like mixed in the waste paper;
s2, waste paper slitting: cutting the waste paper cleaned in the step S1 in a cutting mode, wherein the length of the cut waste paper is 5-10 cm;
s3, crushing and grinding: throwing the cut waste paper in the step S2 into a crushing and grinding device (3), and grinding the waste paper into pulp by the crushing and grinding device (3);
s4, slurry filtration: the filter screen filters the pulp ground in the step S3 to remove the waste paper which is not ground completely in the pulp;
s5, concentrating the slurry: pouring the filtered pulp in the step S4 into a fiber grid in a seepage mode, and concentrating the pulp into pulp liquid with corresponding concentration by the fiber grid;
s6, collecting pulp liquid: filling the pulp slurry in the step S5 into a barrel for collection;
the working procedures of the pulping process of the pulp molding product in the steps S1-S6 need to be matched by a support frame (1), a fixed barrel (2) and a crushing and grinding device (3) to complete corresponding processing operations, wherein:
the middle part of the upper end of the support frame (1) is provided with a fixed barrel (2), the fixed barrel (2) is of a cylindrical hollow structure, the lower end of the fixed barrel (2) is provided with a discharge hole, and a crushing and grinding device (3) is arranged in the fixed barrel (2);
the crushing and grinding device (3) comprises a fixed plate (31), a rotating cylinder (32), a sliding mechanism (33), a grinding mechanism (34), a crushing mechanism (35) and a liquid inlet mechanism (36), a fixed plate (31) is fixedly installed inside the fixed barrel (2), discharge ports are uniformly formed in the fixed plate (31), the upper end of the fixed plate (31) is connected with a rotating barrel (32) in a sliding fit mode, the outer side of the upper end of the rotating barrel (32) is connected with the fixed barrel (2) in a sliding fit mode, a sliding mechanism (33) is installed inside the rotating barrel (32), a grinding mechanism (34) is arranged at the upper end of the sliding mechanism (33), the grinding mechanism (34) is located inside the rotating barrel (32), the upper end of the grinding mechanism (34) is connected with the inner side wall of the fixed barrel (2), a crushing mechanism (35) is installed inside the grinding mechanism (34), and a liquid inlet mechanism (36) is installed at the upper end of the crushing mechanism (;
grinding mechanism (34) including solid fixed cylinder (341), spacing (342), spacing spring (343), gag lever post (344) and grinding roller (345), gu fixed cylinder (341) lower extreme install in slide mechanism (33) upper end, gu fixed cylinder (341) upper end outside evenly installs gag lever post (344), gag lever post (344) are connected with spacing (342) through sliding fit's mode, spacing (342) are installed inside solid fixed barrel (2), spacing (342) internally mounted has spacing spring (343), gu evenly be provided with the through-hole on fixed cylinder (341), gu fixed cylinder (341) outside evenly installs grinding roller (345) through the round pin axle.
2. The pulp making process for pulp molded product according to claim 1, characterized in that: slide mechanism (33) including a sliding groove frame (331), raised grain frame (332) and carriage (333), sliding groove frame (331) install inside rotating a section of thick bamboo (32), sliding groove frame (331) middle part is provided with concave groove, concave groove internally mounted has raised grain frame (332), raised grain frame (332) are the loop configuration, sliding groove frame (331) inside is connected with carriage (333) through sliding fit's mode, carriage (333 upper end is installed and is ground mechanism (34).
3. The pulp making process for pulp molded product according to claim 1, characterized in that: crushing mechanism (35) include broken motor (351), axis of rotation (352), branch (353), high pressure nozzle (354) and broken sword (355), fixed plate (31) lower extreme install broken motor (351) through the motor cabinet, install axis of rotation (352) on the output shaft of broken motor (351), axis of rotation (352) are located grinding mechanism (34) inside, evenly install branch (353) on axis of rotation (352), high pressure nozzle (354) are equipped with in branch (353) outside, evenly install broken sword (355) on branch (353), axis of rotation (352) upper end is connected with feed liquor mechanism (36).
4. The pulp making process for pulp molded product according to claim 1, characterized in that: liquid inlet mechanism (36) including link (361), feed liquor pipe (362) and sealed pad (363), fixed bucket (2) upper end middle part be provided with feed liquor pipe (362), feed liquor pipe (362) are connected with fixed bucket (2) through link (361), feed liquor pipe (362) lower extreme is connected with crushing mechanism (35), sealed pad (363) are installed with the junction of crushing mechanism (35) in feed liquor pipe (362).
5. The pulp making process for pulp molded product according to claim 1, characterized in that: the outer side of the grinding roller (345) is provided with a rubber sleeve, and the outer side of the rubber sleeve is uniformly provided with crushing teeth.
6. The pulp making process of the pulp molding product according to claim 2, characterized in that: the sliding frame (333) is of an annular structure, and balls matched with the corrugated frame (332) are uniformly arranged at the lower end of the sliding frame (333).
7. The pulp making process for pulp molded product according to claim 1, characterized in that: the outer side of the fixed cylinder (341) is uniformly provided with scrapers (346), the scrapers (346) are of arc structures, and the outer side of each scraper (346) is tightly attached to the rotating cylinder (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160018.7A CN110846920A (en) | 2019-11-23 | 2019-11-23 | Pulping process for paper pulp molded product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911160018.7A CN110846920A (en) | 2019-11-23 | 2019-11-23 | Pulping process for paper pulp molded product |
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| Publication Number | Publication Date |
|---|---|
| CN110846920A true CN110846920A (en) | 2020-02-28 |
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ID=69603900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911160018.7A Withdrawn CN110846920A (en) | 2019-11-23 | 2019-11-23 | Pulping process for paper pulp molded product |
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| Country | Link |
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| CN (1) | CN110846920A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359632A (en) * | 2020-11-06 | 2021-02-12 | 程新钟 | Beating device for papermaking |
| CN117468262A (en) * | 2023-12-28 | 2024-01-30 | 上海柯林包装集团有限公司 | Pulp processing production process |
-
2019
- 2019-11-23 CN CN201911160018.7A patent/CN110846920A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359632A (en) * | 2020-11-06 | 2021-02-12 | 程新钟 | Beating device for papermaking |
| CN117468262A (en) * | 2023-12-28 | 2024-01-30 | 上海柯林包装集团有限公司 | Pulp processing production process |
| CN117468262B (en) * | 2023-12-28 | 2024-03-26 | 上海柯林包装集团有限公司 | Pulp processing production process |
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Application publication date: 20200228 |